Muslin would be in keeping with the time frame.
It looks like the stars need to be on point.
I think your inheritance is grand. How big are these stars from point to point?
Isn't there a quilt site called "victorian ... something?"
I will go looking to see what I can find.
Kalaidescope ... we tend to think of that as a strip piece, but, I am sure it started out as a solid fabric/diamonds.